A friend on which I had installed SME years (10.2) ago suddenly got SME blackllisted in spamhaus. Might be a rogue LAN pc in his LAN, so I thought I'd follow instructions in
https://wiki.koozali.org/Firewall#Block_outgoing_IPs_or_mac_addresses(There was a hint to use the latest patches, not sure which they are though.)
However in messages I see the following:
14:44:28 mail server masq: iptables v1.4.21:
Sep 4 14:44:28 mail server masq: The "nat" table is not intended for filtering, the use of DROP is therefore inhibited.
Sep 4 14:44:28 mail server masq: Try `iptables -h' or 'iptables --help' for more information.
Any idea on what has to be changed?
FYI:
masq=service
DenylogTarget=drop
Logging=most
Stealth=no
TCPBlocks=0.0.0.0/0:25,0.0.0.0/0:465,0.0.0.0/0:587
Trace=disabled
UDPBlocks=0.0.0.0/0:587
pptp=yes
status=enabled